Re: [kernel-hardening] Re: [PATCH v4 06/13] iscsi: ensure RNG is seeded before use

From	Stephan Müller <smueller@chronox.de>
Newsgroups	linux.kernel
Subject	Re: [kernel-hardening] Re: [PATCH v4 06/13] iscsi: ensure RNG is seeded before use
Date	2017-06-18 10:10 +0200
Message-ID	<tTDrr-2Bp-1@gated-at.bofh.it> (permalink)
References	<tPqM9-3tE-3@gated-at.bofh.it> <tTa65-7Jj-7@gated-at.bofh.it> <tTcUi-1gh-13@gated-at.bofh.it>
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Am Samstag, 17. Juni 2017, 05:45:57 CEST schrieb Lee Duncan:

Hi Lee,

> In your testing, how long might a process have to wait? Are we talking
> seconds? Longer? What about timeouts?
>

In current kernels (starting with 4.8) this timeout should clear within a few 
seconds after boot.

In older kernels (pre 4.8), my KVM takes up to 90 seconds to reach that 
seeding point. I have heard that on IBM System Z this trigger point requires 
minutes to be reached.

Ciao
Stephan

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Re: [PATCH v4 06/13] iscsi: ensure RNG is seeded before use Theodore Ts'o <tytso@mit.edu> - 2017-06-08 04:50 +0200
  Re: [kernel-hardening] Re: [PATCH v4 06/13] iscsi: ensure RNG is  seeded before use "Jason A. Donenfeld" <Jason@zx2c4.com> - 2017-06-08 14:20 +0200
    Re: [kernel-hardening] Re: [PATCH v4 06/13] iscsi: ensure RNG is  seeded before use Lee Duncan <lduncan@suse.com> - 2017-06-17 00:00 +0200
      Re: [kernel-hardening] Re: [PATCH v4 06/13] iscsi: ensure RNG is  seeded before use "Jason A. Donenfeld" <Jason@zx2c4.com> - 2017-06-17 02:50 +0200
        Re: [kernel-hardening] Re: [PATCH v4 06/13] iscsi: ensure RNG is  seeded before use Lee Duncan <lduncan@suse.com> - 2017-06-17 05:50 +0200
          Re: [kernel-hardening] Re: [PATCH v4 06/13] iscsi: ensure RNG is  seeded before use Jeffrey Walton <noloader@gmail.com> - 2017-06-17 16:30 +0200
            Re: [kernel-hardening] [PATCH v4 06/13] iscsi: ensure RNG is seeded before use Paul Koning <paulkoning@comcast.net> - 2017-06-17 21:00 +0200
          Re: [kernel-hardening] Re: [PATCH v4 06/13] iscsi: ensure RNG is seeded before use Stephan Müller <smueller@chronox.de> - 2017-06-18 10:10 +0200

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